KF/Al2O3-Mediated Organic Synthesis
✍ Scribed by Benjamin E. Blass
- Publisher
- John Wiley and Sons
- Year
- 2003
- Weight
- 70 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0931-7597
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## Abstract magnified image A convenient and efficient method for the preparation of 3‐aryl‐chromene‐2‐thiones was reported. These compounds **2a‐2o** with various functional groups were synthesized in high yield by a KF/Al~2~O~3~ meditated reaction of deoxybenzoins with CS~2~ under mild condition
## Abstract A series of 2‐aminochromene derivatives including 2‐amino‐benzo[__h__] chromene, 2‐amino‐benzo [__f__] chromene and 2‐aminopyrano [3, 2‐__h__] quinolin derivatives was synthesized from arylaldehyde, malononitrile or ethyl cyanoacetate and 1‐naphthol or 2‐naphthol or 8‐hydroxyquinoline i